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synced 2026-02-18 18:18:13 -05:00
interfaces: multi-dhcp6c support and custom PD association #7647
This splits off rtsold and dhcp6c into separate processes which frees us from the restrictions of faked iterative IDs for PD associations. For NA we simply default to 0 now. I'm not entirely sure why we settled for a single deamon of dhcp6c back in the day, but there are certianly downsides to it and I don't see something that wasn't fixed in the meantime that makes this not work.
This commit is contained in:
Franco Fichtner
parent
91fce10c59
commit
c5cb86b6dd
3 changed files with 86 additions and 68 deletions
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@ -868,7 +868,7 @@ function interface_reset($interface, $ifacecfg = false, $suspend = false)
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case 'slaac':
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case 'dhcp6':
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interface_dhcpv6_prepare($interface, $ifcfg, true);
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killbypid('/var/run/dhcp6c.pid', 'HUP');
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killbypid("/var/run/dhcp6c.{$device}.pid", 'HUP');
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break;
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case 'idassoc6':
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case 'track6':
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@ -2609,7 +2609,7 @@ function interface_track6_configure($interface, $lancfg, $reload = false)
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case 'dhcp6':
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if ($reload || !isset($lancfg['enable'])) {
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interface_dhcpv6_prepare($lancfg['track6-interface'], $trackcfg);
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killbypid('/var/run/dhcp6c.pid', 'HUP');
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killbypid("/var/run/dhcp6c.{$trackcfg['if']}.pid", 'HUP');
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}
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break;
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}
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@ -2893,15 +2893,16 @@ function interface_dhcpv6_configure($interface, $wancfg)
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}
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/* always kill rtsold in case of reconfigure */
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killbypid('/var/run/rtsold.pid');
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killbypid("/var/run/rtsold.{$wancfg['if']}.pid");
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@unlink("/tmp/rtsold.{$wancfg['if']}.done");
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$rtsold_frmt = ['/usr/sbin/rtsold -%s -aiu -p %s -A %s -R %s'];
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$rtsold_frmt = ['/usr/sbin/rtsold -%s -iu -p %s -A %s -R %s %s'];
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$rtsold_args = [
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$settings->dhcp6_debug->isEmpty() ? 'd' : 'D',
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'/var/run/rtsold.pid',
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"/var/run/rtsold.{$wancfg['if']}.pid",
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'/usr/local/opnsense/scripts/interfaces/rtsold_script.sh',
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'/usr/local/opnsense/scripts/interfaces/rtsold_resolvconf.sh',
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$wancfg['if'],
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];
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/* fire up rtsold for IPv6 RAs first */
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@ -2917,28 +2918,6 @@ function interface_dhcpv6_configure($interface, $wancfg)
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}
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}
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function interface_dhcpv6_id($interface)
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{
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global $config;
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/* configuration default */
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$id = 0;
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if (empty($config['interfaces'])) {
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return $id;
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}
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/* detect unique index */
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foreach (array_keys($config['interfaces']) as $key) {
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if ($key == $interface) {
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break;
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}
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$id += 1;
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}
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return $id;
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}
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function interface_dhcpv6_prepare($interface, $wancfg, $cleanup = false)
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{
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if (!is_array($wancfg)) {
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@ -2946,7 +2925,6 @@ function interface_dhcpv6_prepare($interface, $wancfg, $cleanup = false)
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}
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$settings = new OPNsense\Interfaces\Settings();
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$id = interface_dhcpv6_id($interface);
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$device = $wancfg['if'];
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$dhcp6cconf = "# generated for {$interface} in {$wancfg['ipaddrv6']} mode\n";
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@ -2968,9 +2946,9 @@ function interface_dhcpv6_prepare($interface, $wancfg, $cleanup = false)
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log_msg("DHCP6 config file override does not exist: '{$dhcp6cfile}'", LOG_ERR);
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}
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} elseif (!empty($wancfg['adv_dhcp6_config_advanced'])) {
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$dhcp6cconf .= DHCP6_Config_File_Advanced($interface, $wancfg, $device, $id);
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$dhcp6cconf .= DHCP6_Config_File_Advanced($interface, $wancfg, $device);
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} else {
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$dhcp6cconf .= DHCP6_Config_File_Basic($interface, $wancfg, $device, $id);
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$dhcp6cconf .= DHCP6_Config_File_Basic($interface, $wancfg, $device);
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}
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if (!$cleanup) {
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@ -2978,24 +2956,9 @@ function interface_dhcpv6_prepare($interface, $wancfg, $cleanup = false)
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} else {
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@unlink("/var/etc/dhcp6c.{$device}.conf");
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}
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$dhcp6cconf = '';
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/* merge configs and prepare single instance of dhcp6c for startup */
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foreach (legacy_config_get_interfaces(['enable' => true, 'virtual' => false]) as $_interface => $_wancfg) {
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if (empty($_wancfg['ipaddrv6']) || ($_wancfg['ipaddrv6'] != 'dhcp6' && $_wancfg['ipaddrv6'] != 'slaac')) {
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continue;
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}
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if (file_exists("/var/etc/dhcp6c.{$_wancfg['if']}.conf")) {
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$dhcp6cconf .= file_get_contents("/var/etc/dhcp6c.{$_wancfg['if']}.conf");
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}
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}
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@file_put_contents('/var/etc/dhcp6c.conf', $dhcp6cconf);
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}
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function DHCP6_Config_File_Basic($interface, $wancfg, $wanif, $id = 0)
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function DHCP6_Config_File_Basic($interface, $wancfg, $wanif)
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{
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$dhcp6cconf = '';
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@ -3020,7 +2983,7 @@ function DHCP6_Config_File_Basic($interface, $wancfg, $wanif, $id = 0)
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}
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$pd_conf .= " };\n";
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/* XXX $id from dhcp6_assoc_pd */
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$id = strlen($wancfg['dhcp6_assoc_pd'] ?? '') ? $wancfg['dhcp6_assoc_pd'] : '0';
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$assoc_pd[$id] = ($assoc_pd[$id] ?? '') . $pd_conf;
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}
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@ -3035,25 +2998,26 @@ function DHCP6_Config_File_Basic($interface, $wancfg, $wanif, $id = 0)
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}
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$pd_conf .= " };\n";
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/* XXX $id from track6_assoc_pd */
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$id = strlen($lancfg['track6_assoc_pd'] ?? '') ? $lancfg['track6_assoc_pd'] : '0';
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$assoc_pd[$id] = ($assoc_pd[$id] ?? '') . $pd_conf;
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}
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}
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if (!count($assoc_pd)) {
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/* for backwards compatibility always emit a default PD request */
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$assoc_pd[0] = '';
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}
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}
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ksort($assoc_pd, SORT_NUMERIC);
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/* for backwards compatibility always emit this PD request */
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if (!isset($assoc_pd[$id])) {
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$assoc_pd[$id] = '';
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}
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$dhcp6cconf .= "interface {$wanif} {\n";
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if (!isset($wancfg['dhcp6prefixonly'])) {
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/* request non-temporary address */
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$dhcp6cconf .= " send ia-na {$id};\n";
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$dhcp6cconf .= " send ia-na 0;\n";
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}
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if (is_numeric($wancfg['dhcp6-ia-pd-len'])) {
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/* request prefix delegation */
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foreach (array_keys($assoc_pd) as $id) {
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@ -3074,7 +3038,7 @@ function DHCP6_Config_File_Basic($interface, $wancfg, $wanif, $id = 0)
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$dhcp6cconf .= "};\n";
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if (!isset($wancfg['dhcp6prefixonly'])) {
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$dhcp6cconf .= "id-assoc na {$id} { };\n";
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$dhcp6cconf .= "id-assoc na 0 { };\n";
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}
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foreach ($assoc_pd as $i => $pd_conf) {
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@ -3091,7 +3055,7 @@ function DHCP6_Config_File_Basic($interface, $wancfg, $wanif, $id = 0)
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return $dhcp6cconf;
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}
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function DHCP6_Config_File_Advanced($interface, $wancfg, $wanif, $id = 0)
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function DHCP6_Config_File_Advanced($interface, $wancfg, $wanif)
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{
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$send_options = "";
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@ -3133,7 +3097,7 @@ function DHCP6_Config_File_Advanced($interface, $wancfg, $wanif, $id = 0)
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if (is_numeric($wancfg['adv_dhcp6_id_assoc_statement_address_id'])) {
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$id_assoc_statement_address .= "{$wancfg['adv_dhcp6_id_assoc_statement_address_id']}";
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} else {
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$id_assoc_statement_address .= $id;
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$id_assoc_statement_address .= 0; /* only as a fallback */
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}
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$id_assoc_statement_address .= " {\n";
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@ -3163,7 +3127,7 @@ function DHCP6_Config_File_Advanced($interface, $wancfg, $wanif, $id = 0)
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if (is_numeric($wancfg['adv_dhcp6_id_assoc_statement_prefix_id'])) {
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$id_assoc_statement_prefix .= "{$wancfg['adv_dhcp6_id_assoc_statement_prefix_id']}";
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} else {
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$id_assoc_statement_prefix .= $id;
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$id_assoc_statement_prefix .= 0; /* only as a fallback */
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}
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$id_assoc_statement_prefix .= " {\n";
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@ -33,17 +33,17 @@ if [ -z "${IFNAME}" ]; then
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fi
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if grep -q "^interface ${IFNAME} " /var/etc/radvd.conf; then
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/usr/bin/logger -t dhcp6c "rtsold_script: rejecting dhcp6c"
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/usr/bin/logger -t dhcp6c "rtsold_script: rejecting dhcp6c on ${IFNAME}"
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echo "Rejecting own configuration."
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exit 0
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fi
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CONFFILE="/var/etc/dhcp6c.${IFNAME}.conf"
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PIDFILE="/var/run/dhcp6c.${IFNAME}.pid"
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DONEFILE="/tmp/rtsold.${IFNAME}.done"
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CONFFILE="/var/etc/dhcp6c.conf"
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PIDFILE="/var/run/dhcp6c.pid"
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if [ ! -f "${CONFFILE}" ]; then
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/usr/bin/logger -t dhcp6c "rtsold_script: skipping dhcp6c"
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/usr/bin/logger -t dhcp6c "rtsold_script: skipping dhcp6c on ${IFNAME}"
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exit 0
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fi
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@ -74,10 +74,10 @@ if [ -f "${PIDFILE}" ]; then
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fi
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if [ -f "${PIDFILE}" ]; then
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/usr/bin/logger -t dhcp6c "rtsold_script: reloading dhcp6c"
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/usr/bin/logger -t dhcp6c "rtsold_script: reloading dhcp6c on ${IFNAME}"
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/bin/pkill -HUP -F "${PIDFILE}"
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else
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/usr/bin/logger -t dhcp6c "rtsold_script: starting dhcp6c"
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/usr/bin/logger -t dhcp6c "rtsold_script: starting dhcp6c on ${IFNAME}"
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/usr/local/sbin/dhcp6c $(get_var EXTRAOPTS) -c "${CONFFILE}" -p "${PIDFILE}"
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fi
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@ -251,20 +251,31 @@ function validate_track6_idassoc6(&$pconfig, $if)
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if ($track6_prefix_id < 0 || $track6_prefix_id >= $ipv6_num_prefix_ids) {
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$input_errors[] = gettext("You specified an IPv6 prefix ID that is out of range.");
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}
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$assoc_pd_ref = '0';
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if (!empty($pconfig["{$pconfig['type6']}_assoc_pd"]) && ctype_digit($pconfig["{$pconfig['type6']}_assoc_pd"])) {
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$assoc_pd_ref = $pconfig["{$pconfig['type6']}_assoc_pd"];
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}
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foreach (link_interface_to_track6($pconfig["{$pconfig['type6']}-interface"]) as $trackif => $trackcfg) {
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if ($trackif != $if && $trackcfg['track6-prefix-id'] == $track6_prefix_id) {
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$assoc_pd_link = !empty($trackcfg['track6_assoc_pd']) ? $trackcfg['track6_assoc_pd'] : '0';
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if ($trackif != $if && $assoc_pd_ref == $assoc_pd_ref && $trackcfg['track6-prefix-id'] == $track6_prefix_id) {
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$input_errors[] = gettext('You specified an IPv6 prefix ID that is already in use.');
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break;
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}
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}
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if (isset($config['interfaces'][$pconfig["{$pconfig['type6']}-interface"]]['dhcp6-prefix-id'])) {
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if ($config['interfaces'][$pconfig["{$pconfig['type6']}-interface"]]['dhcp6-prefix-id'] == $track6_prefix_id) {
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$assoc_pd_parent = !empty($config['interfaces'][$pconfig["{$pconfig['type6']}-interface"]]['dhcp6_assoc_pd']) ?
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$config['interfaces'][$pconfig["{$pconfig['type6']}-interface"]]['dhcp6_assoc_pd'] : '0';
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if ($assoc_pd_ref == $assoc_pd_parent && $config['interfaces'][$pconfig["{$pconfig['type6']}-interface"]]['dhcp6-prefix-id'] == $track6_prefix_id) {
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$input_errors[] = gettext('You specified an IPv6 prefix ID that is already in use.');
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}
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}
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}
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}
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if (!empty($pconfig["{$pconfig['type6']}_assoc_pd"]) && !ctype_digit($pconfig["{$pconfig['type6']}_assoc_pd"])) {
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$input_errors[] = gettext('You must enter a valid number for the IPv6 prefix association identity.');
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}
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if (isset($pconfig["{$pconfig['type6']}_ifid--hex"]) && $pconfig["{$pconfig['type6']}_ifid--hex"] != '') {
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if (!ctype_xdigit($pconfig["{$pconfig['type6']}_ifid--hex"])) {
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$input_errors[] = gettext('You must enter a valid hexadecimal number for the IPv6 interface ID.');
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@ -298,6 +309,9 @@ function store_track6_idassoc6(&$new_config, &$pconfig)
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if (isset($pconfig["{$pconfig['type6']}_ifid--hex"]) && ctype_xdigit($pconfig["{$pconfig['type6']}_ifid--hex"])) {
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$new_config['track6_ifid'] = intval($pconfig["{$pconfig['type6']}_ifid--hex"], 16);
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}
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if (!empty($pconfig["{$pconfig['type6']}_assoc_pd"])) {
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$new_config['track6_assoc_pd'] = $pconfig["{$pconfig['type6']}_assoc_pd"];
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}
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if ($pconfig['type6'] == 'track6') {
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/* this is not needed in the new world */
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$new_config['dhcpd6track6allowoverride'] = !empty($pconfig['dhcpd6track6allowoverride']);
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@ -464,6 +478,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
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'dhcp6_ifid',
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'dhcp6_norequest_dns',
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'dhcp6_rapid_commit',
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'dhcp6_assoc_pd',
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'dhcp6vlanprio',
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'dhcphostname',
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'dhcprejectfrom',
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@ -491,6 +506,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
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'subnetv6',
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'track6-interface',
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'track6-prefix-id',
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'track6_assoc_pd',
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'track6_ifid',
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];
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foreach ($std_copy_fieldnames as $fieldname) {
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@ -512,7 +528,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
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$pconfig['dhcpd6track6allowoverride'] = isset($a_interfaces[$if]['dhcpd6track6allowoverride']);
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$pconfig['dhcp6_request_dns'] = empty($pconfig['dhcp6_norequest_dns']);
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foreach(['-interface', '-prefix-id', '-prefix-id--hex', '_ifid', '_ifid--hex'] as $fieldname) {
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foreach(['-interface', '-prefix-id', '-prefix-id--hex', '_assoc_pd', '_ifid', '_ifid--hex'] as $fieldname) {
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/* only for form consistency */
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$pconfig["idassoc6{$fieldname}"] = $pconfig["track6{$fieldname}"];
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}
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@ -750,14 +766,22 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
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$input_errors[] = gettext("You specified an IPv6 prefix ID that is out of range.");
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}
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}
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$assoc_pd_ref = '0';
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if (!empty($pconfig['dhcp6_assoc_pd']) && ctype_digit($pconfig['dhcp6_assoc_pd'])) {
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$assoc_pd_ref = $pconfig['dhcp6_assoc_pd'];
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}
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foreach (link_interface_to_track6($pconfig['track6-interface']) as $trackif => $trackcfg) {
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if ($trackcfg['track6-prefix-id'] == $dhcp6_prefix_id) {
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$assoc_pd_link = !empty($trackcfg['track6_assoc_pd']) ? $trackcfg['track6_assoc_pd'] : '0';
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if ($assoc_pd_ref == $assoc_pd_link && $trackcfg['track6-prefix-id'] == $dhcp6_prefix_id) {
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$input_errors[] = gettext('You specified an IPv6 prefix ID that is already in use.');
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break;
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}
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}
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}
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}
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if (!empty($pconfig['dhcp6_assoc_pd']) && !ctype_digit($pconfig['dhcp6_assoc_pd'])) {
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$input_errors[] = gettext('You must enter a valid number for the IPv6 prefix association identity.');
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}
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if (isset($pconfig['dhcp6_ifid--hex']) && $pconfig['dhcp6_ifid--hex'] != '') {
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if (!ctype_xdigit($pconfig['dhcp6_ifid--hex'])) {
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$input_errors[] = gettext('You must enter a valid hexadecimal number for the IPv6 interface ID.');
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@ -1123,6 +1147,9 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
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if (!empty($pconfig['dhcp6_rapid_commit'])) {
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$new_config['dhcp6_rapid_commit'] = true;
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}
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if (!empty($pconfig['dhcp6_assoc_pd'])) {
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$new_config['dhcp6_assoc_pd'] = $pconfig['dhcp6_assoc_pd'];
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}
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$new_config['adv_dhcp6_interface_statement_send_options'] = $pconfig['adv_dhcp6_interface_statement_send_options'];
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$new_config['adv_dhcp6_interface_statement_request_options'] = $pconfig['adv_dhcp6_interface_statement_request_options'];
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$new_config['adv_dhcp6_interface_statement_information_only_enable'] = $pconfig['adv_dhcp6_interface_statement_information_only_enable'];
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@ -2390,6 +2417,15 @@ include("head.inc");
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</div>
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</td>
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</tr>
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<tr class="dhcpv6_basic">
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<td><a id="help_for_dhcp6_assoc_pd" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?= gettext('Optional IA-PD ID') ?></td>
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<td>
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<input name="dhcp6_assoc_pd" type="text" id="dhcp6_assoc_pd" value="<?= html_safe($pconfig['dhcp6_assoc_pd']) ?>" />
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<div class="hidden" data-for="help_for_dhcp6_assoc_pd">
|
||||
<?= gettext('The ID to use for prefix request identity association if required to be non-zero.') ?>
|
||||
</div>
|
||||
</td>
|
||||
</tr>
|
||||
<tr class="dhcpv6_advanced">
|
||||
<td><a id="help_for_dhcp6_intf_stmt" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Interface Statement");?></td>
|
||||
<td>
|
||||
|
|
@ -2619,6 +2655,15 @@ include("head.inc");
|
|||
</div>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><a id="help_for_idassoc6_assoc_pd" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?= gettext('Optional IA-PD ID') ?></td>
|
||||
<td>
|
||||
<input name="idassoc6_assoc_pd" type="text" id="idassoc6_assoc_pd" value="<?= html_safe($pconfig['idassoc6_assoc_pd']) ?>" />
|
||||
<div class="hidden" data-for="help_for_idassoc6_assoc_pd">
|
||||
<?= gettext('The ID to use for prefix request identity association if required to be non-zero.') ?>
|
||||
</div>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
|
|
@ -2675,6 +2720,15 @@ include("head.inc");
|
|||
</div>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><a id="help_for_track6_assoc_pd" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?= gettext('Optional IA-PD ID') ?></td>
|
||||
<td>
|
||||
<input name="track6_assoc_pd" type="text" id="track6_assoc_pd" value="<?= html_safe($pconfig['track6_assoc_pd']) ?>" />
|
||||
<div class="hidden" data-for="help_for_track6_assoc_pd">
|
||||
<?= gettext('The ID to use for prefix request identity association if required to be non-zero.') ?>
|
||||
</div>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><a id="help_for_dhcpd6_opt" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?= gettext('Manual configuration') ?></td>
|
||||
<td>
|
||||
|
|
|
|||
Loading…
Reference in a new issue